Thursday, January 10th, 2008
IBM recommends a number of configuration changes and variables you can set to tune the performance of Websphere to suit your needs. Because the AIX operating system is not a WebSphere Application Server product, be aware that it can change and results can vary.
Procedure
Change the following configuration settings or variables ...
Posted in os tuning, performance monitoring, aix, file systems, websphere 6.0.x | No Comments »
Monday, October 1st, 2007
Commands below are for Linux, but the idea works everywhere 'sadc' is available.
1) Start
/usr/lib/sa/sadc
Example
machine1:~ # /usr/lib/sa/sadc 2 7200 sadc.outfile
this logs SAR data for 4 hours.
2) Stop logging, do
'killall sadc' or 'kill'
3) Usage of sar. Creating report with all options
sar -A -f
Example
machine1:~ # sar -A -f sadc.outfile > sar.outfile
machine1:~ # cat ...
Posted in performance monitoring, automation, linux | No Comments »